Which of the following definitions are incorrect?

A.
Record – A collection of related data items.

B.
File – A collection of columns of the same type.

C.
Primary key – umns that make each row unique.

D.
View – A virtual relation defined by the database administrator

Explanation:
The correct definition mapping is below:

– Record – A collection of related data items.
– File – A collection of records of the same type.
– Primary key – umns that make each row unique.
– View – A virtual relation defined by the database administrator